John D. Alexander

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Integration of VoIP address discovery with PBXs
- Patent number 8,228,903
- Issue date Jul 24, 2012
- Cisco Technology, Inc.
- Jonathan David Rosenberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing shared line appearances in a distri...
- Patent number 7,636,349
- Issue date Dec 22, 2009
- Cisco Technology, Inc.
- Christopher E. Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for generating multiple line appearances in a com...
- Patent number 7,548,536
- Issue date Jun 16, 2009
- Cisco Technology, Inc.
- John D. Alexander
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for providing shared line appearances in a distri...
- Patent number 7,145,899
- Issue date Dec 5, 2006
- Cisco Technology, Inc.
- Christopher E. Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for generating multiple line appearances in a com...
- Patent number 6,798,767
- Issue date Sep 28, 2004
- Cisco Technology, Inc.
- John D. Alexander
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATION OF VOIP ADDRESS DISCOVERY WITH PBXs
- Publication number 20100002687
- Publication date Jan 7, 2010
- Cisco Technology, Inc.
- Jonathan David Rosenberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Providing Shared Line Appearances in a Distri...
- Publication number 20070127445
- Publication date Jun 7, 2007
- Cisco Technology, Inc.
- Christopher E. Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE